CN110026586A - A kind of noncircularity crankshaft center hole drilling alignment tool - Google Patents
A kind of noncircularity crankshaft center hole drilling alignment tool Download PDFInfo
- Publication number
- CN110026586A CN110026586A CN201910423671.1A CN201910423671A CN110026586A CN 110026586 A CN110026586 A CN 110026586A CN 201910423671 A CN201910423671 A CN 201910423671A CN 110026586 A CN110026586 A CN 110026586A
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- slot
- scriber
- noncircularity
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention belongs to technical fields of mechanical processing, disclose a kind of noncircularity crankshaft center hole drilling alignment tool comprising: pedestal (3) is movably mounted on the workbench of machining tool；Column (1), bottom are mounted on pedestal (3), and column offers longitudinal through slot on (1) one side surface along its length；Scriber (2), including ontology, the centering needle positioned at ontology one end and the centering hook positioned at the ontology other end, centering hook be bend vertically downward it is hook-shaped, lateral through slot is offered in the middle part of ontology, the excessively lateral through slot of bolt (7) and longitudinal through slot are fixed by scriber (2) and column (1), by adjusting the position of bolt (7) lateral through slot and longitudinal through slot, the position of adjustable scriber (2).When effective solution of the present invention crankshaft drilling centre bore the problem of centering, it ensure that the geometrical axis of crankshaft is overlapped as far as possible with quality axis, improve the position precision of crankshaft two end centre bore drilling.
Description
Technical field
The invention belongs to technical fields of mechanical processing, are related to a kind of noncircularity crankshaft center hole drilling alignment tool.
Background technique
Crankshaft belongs to big L/D ratio noncircularity shaft forgings, generally first to determine crankshaft two end central hole location, as crankshaft
The main technique benchmark of subsequent processing operations.Because trunnion and rod journal machining allowance are less, crankshaft integral central position essence
Degree especially produces a very large impact subsequent handling to dynamic balancing process and trunnion with the distribution of rod journal machining allowance, even
Crankshaft is caused integrally to scrap, the drill position precision of central hole of the crankshaft is most important thus.Former technical solution is with both ends main shaft
Neck outer circle clamps, and is done directly the processing of crankshaft two end centre bore.
Due to position precision error of crank shaft blank precision, the structure of crankshaft and processing rear center hole etc., make song
The geometrical axis of axis deviates quality axis, first is that crankshaft part trunnion and rod journal surface is caused to can't process to leave office
The black skin in portion；Second is that causing crankshaft duplicate removal in dynamic balancing more, it is not able to satisfy the duplicate removal requirement of design requirement, or even causes
Crankshaft is scrapped.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of noncircularity crankshaft center hole drilling alignment tools, to improve in crankshaft two end
The position precision of heart hole drilling guarantees the geometrical axis and quality axis registration of crankshaft, meets the processing quality requirement of crankshaft.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of noncircularity crankshaft center hole drilling alignment tool, packets
Include: pedestal 3 is movably mounted on the workbench of machining tool；Column 1, bottom are mounted on pedestal 3,1 side table of column
Longitudinal through slot is offered on face along its length；Scriber 2, including ontology, positioned at the centering needle of ontology one end and positioned at ontology
The centering hook of the other end, centering hook are to bend vertically downward hook-shaped, offer lateral through slot in the middle part of ontology, bolt 7 is excessively lateral
Through slot and longitudinal through slot are fixed by scriber 2 and column 1, by adjusting the position of bolt 7 lateral through slot and longitudinal through slot, can adjust
The position of whole scriber 2.
Wherein, the equivalent width of the lateral through slot and longitudinal through slot, the screw diameter of bolt 7 be not more than lateral through slot and
The width of longitudinal through slot, the diameter of 7 end cap of bolt are greater than the width of lateral through slot and longitudinal through slot.
Wherein, 3 bottom of pedestal connects positioning key 4, and the keyway on positioning key 4 and machining tool workbench cooperates, real
Existing pedestal 3 is moved along keyway.
Wherein, 3 floor design of pedestal is there are two threaded hole, corresponding on positioning key 4 to open up that there are two counterbores, uses two
A screw 5 is each passed through counterbore and threaded hole positioning key 4 is fixed on 3 bottom surface of pedestal.
Wherein, the screw 5 is sunk screw.
Wherein, 3 floor design of pedestal has a cylindrical hole, and correspondence offers a cylindrical hole on positioning key 4, fixed
Pin 6 passes through two cylindrical holes, will position between positioning key 4 and pedestal 3.
Wherein, 1 bottom end of column is by welding and being connected at the top of pedestal 3.
Wherein, mounting groove is provided at the top of the pedestal 3,1 bottom end of column is packed into mounting groove and is welded and fixed.
Wherein, the end that the bolt 7 passes through scriber 2 is fixed by nut 9, is also arranged on the screw rod of bolt 7 by washer
8, washer 8 is located between 1 side of nut and column.
The present invention also provides a kind of noncircularity crankshaft centers based on above-mentioned noncircularity crankshaft center hole drilling alignment tool
Hole drilling aligning method comprising following steps:
(1) crankshaft two end trunnion is clamped and is fixed using lathe both ends chuck, the crankshaft of the present embodiment has 6 masters
Axle journal and 6 rod journals；
(2) alignment tool is mounted on platen, is cooperated by the lateral keyway on positioning key 4 and workbench real
Existing alignment tool positioning；
(3) by adjusting the cooperation position of bolt 7 and lateral through slot and longitudinal through slot come adjust scriber 2 it is longitudinal highly and
Lateral position, and by adjusting lathe both ends chuck vertically and horizontally apart from the position for adjusting crankshaft, until the centering hook of scriber 2 can
It is individually positioned on the highest face temperature of 6 trunnions of crankshaft, at this point, reaching 6 trunnion highests that crankshaft is installed on lathe
Point is parallel with platen and does not deviate；
(4) longitudinal height and the lateral position of scriber 2, and the position of adjustment crankshaft are adjusted, until the centering needle of scriber 2
It is enough individually positioned on 6 rod journal highest face temperatures of crankshaft, at this point, reaching 6 pitman shafts that crankshaft is installed on lathe
Neck highest point is parallel with platen and does not deviate；
(5) 2 height of adjustment scriber, and the chuck height size that lathe both ends clamp crankshaft is adjusted, realize the needle of centering needle
Point is respectively directed to the center groove on the first trunnion and the 6th main journal surface of crankshaft, reach crankshaft installed on lathe it is flat
Row；
(6) after completing above-mentioned steps (1)~(5), drilling both ends centre bore.
(3) beneficial effect
Noncircularity crankshaft center hole drilling alignment tool provided by above-mentioned technical proposal, effective solution crankshaft drilling
When centre bore the problem of centering, it ensure that the geometrical axis of crankshaft is overlapped as far as possible with quality axis, improve crankshaft two end center
The position precision of hole drilling, to guarantee that different model, the centre bore processing quality of different size crankshaft provide reliable guarantee.
Detailed description of the invention
Fig. 1 is the main view of tooling of the present invention.
Fig. 2 is the side view of tooling of the present invention.
In figure, 1- column, 2- scriber, 3- pedestal, 4- positioning key, 5- screw, 6- straight pin, 7- bolt, 8- washer, 9- spiral shell
It is female.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to tool of the invention
Body embodiment is described in further detail.
Shown in referring to Figures 1 and 2, noncircularity crankshaft center hole drilling alignment tool of the present invention includes: pedestal 3, is moved
Ground is mounted on the workbench of machining tool；Column 1, bottom are mounted on pedestal 3, square along its length on 1 one side surface of column
To offering longitudinal through slot；Scriber 2, including ontology, the centering needle positioned at ontology one end and the centering hook positioned at the ontology other end,
Centering hook is to bend vertically downward hook-shaped, lateral through slot is offered in the middle part of ontology, the excessively lateral through slot of bolt 7 and longitudinal through slot will
Scriber 2 and column 1 are fixed, by adjusting the position of bolt 7 lateral through slot and longitudinal through slot, the position of adjustable scriber 2.It draws
The centering needle end part of needle 2 is groove that is needle-shaped, drawing on centering crankshaft two end and axle journal, and centering hook is used for the master of centering crankshaft
The consistency of axle journal and rod journal surface highest point.
The equivalent width of lateral through slot and longitudinal through slot, the screw diameter of bolt 7 are not more than lateral through slot and longitudinal through slot
Width, the diameter of 7 end cap of bolt is greater than the width of lateral through slot and longitudinal through slot.
3 bottom of pedestal is equipped with positioning key 4, and the keyway on positioning key 4 and machining tool workbench cooperates, and realizes pedestal 3
It can be moved along keyway.3 floor design of pedestal is two threaded holes and a cylindrical hole, is corresponded to there are two opening up on positioning key 4
Counterbore and a cylindrical hole respectively install a screw 5 in two counterbores, threaded hole, install fixed pin 6 in cylindrical hole, screw 5 is
Sunk screw, two screws 5 and a straight pin 6 realize that pedestal 3 is connect with positioning key 4, and main function is to be mounted on pedestal 3
It in keyway on machining tool workbench and positions, by completing looking for for crankshaft two end center line along keyway linear movement pedestal 3
Just.
1 bottom end of column is by welding and being connected at the top of pedestal 3.Mounting groove is provided at the top of pedestal 3,1 bottom end of column is packed into
In mounting groove and it is welded and fixed.
The end that bolt 7 passes through scriber 2 is fixed by nut 9.It is also arranged on the screw rod of bolt 7 by washer 8,8, washer
Between 1 side of nut and column.
By the setting of through slot lateral on 2 ontology of scriber, it can guarantee that scriber 2 laterally adjusts, meet different journal sizes
Crankshaft centering, while scriber 2 can also adjust up and down in longitudinal through slot of column 1, be advantageously implemented crankshaft different height ruler
Very little centering.
Based on above-mentioned alignment tool, the centering process of crankshaft are as follows:
(1) crankshaft two end trunnion is clamped and is fixed using lathe both ends chuck, the crankshaft of the present embodiment has 6 masters
Axle journal and 6 rod journals；
(2) alignment tool is mounted on platen, is cooperated by the lateral keyway on positioning key 4 and workbench real
Existing alignment tool positioning；
(3) by adjusting the cooperation position of bolt 7 and lateral through slot and longitudinal through slot come adjust scriber 2 it is longitudinal highly and
Lateral position, and by adjusting lathe both ends chuck vertically and horizontally apart from the position for adjusting crankshaft, until the centering hook of scriber 2 can
It is individually positioned on the highest face temperature of 6 trunnions of crankshaft, i.e., the transverse part of centering hook bending structure is fitted in 6 of crankshaft respectively
On trunnion highest face temperature, at this point, it is parallel with platen just to reach 6 trunnion highest points that crankshaft is installed on lathe
And it does not deviate；When carrying out centering, the position of scriber 2 can be adjusted first, can be placed in 6 trunnions of crankshaft
On the highest face temperature of one trunnion, then judge whether the position of scriber 2 at this time can be placed at the highest of other trunnions
On surface, if it can, 6 trunnion highest point centerings of crankshaft are then completed, if it is not, adjustment crank position, until centering
Until.
(4) equally, longitudinal height and the lateral position of scriber 2, and the position of adjustment crankshaft are adjusted, until scriber 2
Centering needle is enough individually positioned on 6 rod journal highest face temperatures of crankshaft, i.e. the transverse part of centering hook bending structure is bonded respectively
On 6 trunnion highest face temperatures of crankshaft, at this point, reaching the 6 rod journal highest points and machine that crankshaft is installed on lathe
Bed workbench is parallel and does not deviate；When carrying out centering, the position of scriber 2 can be adjusted first, can be placed on crankshaft 6
In a rod journal on the highest face temperature of first rod journal, then judge whether the position of scriber 2 at this time can be placed at
On the highest face temperature of other rod journals, if it can, 6 rod journal highest point centerings of crankshaft are then completed, if it is not, adjusting
Whole crank position, until centering.
(5) 2 height of adjustment scriber, and the chuck height size that lathe both ends clamp crankshaft is adjusted, realize the needle of centering needle
Point is respectively directed to the center groove on the first trunnion and the 6th main journal surface of crankshaft, reach crankshaft installed on lathe it is flat
Row；
(6) complete above-mentioned steps (1)~(after 5, drilling both ends centre bore, with centre bore Set and Positioning, it is ensured that subsequent master
The uniformity of axle journal and rod journal machining allowance, to realize that the consistency of geometrical axis and quality axis of crankshaft provides guarantor
Barrier.
It is verified by production, when tooling effective solution of the present invention crankshaft drilling centre bore the problem of centering, be ensure that
The geometrical axis of crankshaft is overlapped as far as possible with quality axis, improves the position precision of crankshaft two end centre bore drilling, to guarantee not
Same model, the centre bore processing quality of different size crankshaft provide reliable guarantee.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of noncircularity crankshaft center hole drilling alignment tool characterized by comprising pedestal (3) is movably mounted at
On the workbench of machining tool；Column (1), bottom are mounted on pedestal (3), on (1) one side surface of column along its length
Offer longitudinal through slot；Scriber (2), including ontology, the centering needle positioned at ontology one end and the centering hook positioned at the ontology other end,
Centering hook is to bend vertically downward hook-shaped, and lateral through slot, the excessively lateral through slot of bolt (7) and longitudinal through slot are offered in the middle part of ontology
Scriber (2) and column (1) is fixed, by adjusting the position of bolt (7) lateral through slot and longitudinal through slot, adjustable scriber
(2) position.
2. noncircularity crankshaft center hole drilling alignment tool as described in claim 1, which is characterized in that it is described transverse direction through slot and
The equivalent width of longitudinal through slot, the screw diameter of bolt (7) are not more than the width of lateral through slot and longitudinal through slot, bolt (7) end
The diameter of portion's nut is greater than the width of lateral through slot and longitudinal through slot.
3. noncircularity crankshaft center hole drilling alignment tool as described in claim 1, which is characterized in that pedestal (3) bottom
Portion connects positioning key (4), and the keyway on positioning key (4) and machining tool workbench cooperates, and realizes that pedestal (3) are moved along keyway.
4. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 3, which is characterized in that pedestal (3) bottom
Face design is corresponding on positioning key (4) to open up that there are two counterbores there are two threaded hole, is each passed through counterbore using two screws (5)
It is fixed on pedestal (3) bottom surface with threaded hole positioning key (4).
5. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 4, which is characterized in that the screw (5) is
Sunk screw.
6. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 5, which is characterized in that pedestal (3) bottom
Face design has a cylindrical hole, corresponds on positioning key (4) and offers a cylindrical hole, and fixed pin (6) passes through two cylindrical holes, will
It is positioned between positioning key (4) and pedestal (3).
7. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 6, which is characterized in that column (1) bottom
End at the top of welding and pedestal (3) by being connected.
8. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 7, which is characterized in that pedestal (3) top
Portion is provided with mounting groove, and column (1) bottom end is packed into mounting groove and is welded and fixed.
9. noncircularity crankshaft center hole drilling alignment tool as claimed in claim 8, which is characterized in that the bolt (7) is worn
The end for crossing scriber (2) is fixed by nut (9), is also arranged on the screw rod of bolt (7) by washer (8), washer (8) is located at nut
Between column (1) side.
10. the noncircularity central hole of the crankshaft based on any one of claim 1-9 noncircularity crankshaft center hole drilling alignment tool
Drilling aligning method, which comprises the following steps:
(1) crankshaft two end trunnion is clamped and is fixed using lathe both ends chuck, the crankshaft of the present embodiment has 6 trunnions
With 6 rod journals；
(2) alignment tool is mounted on platen, is cooperated by the lateral keyway on positioning key (4) and workbench and is realized
Alignment tool positioning；
(3) by adjusting the cooperation position of bolt (7) and lateral through slot and longitudinal through slot come adjust scriber (2) it is longitudinal highly and
Lateral position, and by adjusting lathe both ends chuck vertically and horizontally apart from the position for adjusting crankshaft, until the centering hook energy of scriber (2)
It is enough individually positioned on the highest face temperature of 6 trunnions of crankshaft, at this point, reaching 6 trunnions that crankshaft is installed on lathe most
High point is parallel with platen and does not deviate；
(4) longitudinal height and the lateral position of scriber (2), and the position of adjustment crankshaft are adjusted, until the centering needle of scriber (2)
It is enough individually positioned on 6 rod journal highest face temperatures of crankshaft, at this point, reaching 6 pitman shafts that crankshaft is installed on lathe
Neck highest point is parallel with platen and does not deviate；
(5) adjustment scriber (2) height, and the chuck height size that lathe both ends clamp crankshaft is adjusted, realize the needle point of centering needle
The center groove being respectively directed on the first trunnion and the 6th main journal surface of crankshaft, reach crankshaft installed on lathe it is flat
Row；
(6) after completing above-mentioned steps (1)~(5), drilling both ends centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423671.1A CN110026586A (en) | 2019-05-21 | 2019-05-21 | A kind of noncircularity crankshaft center hole drilling alignment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423671.1A CN110026586A (en) | 2019-05-21 | 2019-05-21 | A kind of noncircularity crankshaft center hole drilling alignment tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110026586A true CN110026586A (en) | 2019-07-19 |
Family
ID=67242858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423671.1A Pending CN110026586A (en) | 2019-05-21 | 2019-05-21 | A kind of noncircularity crankshaft center hole drilling alignment tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110026586A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553327A (en) * | 1983-04-15 | 1985-11-19 | Yosio Watanabe | Ruler device for use in marking-off |
| CN101161422A (en) * | 2006-10-09 | 2008-04-16 | 张啸东 | Crankshaft two end panel center hole locating marking-off table and center hole locating method |
| CN101513720A (en) * | 2009-03-27 | 2009-08-26 | 沈阳第一机床厂 | Integral structure of a turn-milling complex machining center |
| CN102829686A (en) * | 2012-08-15 | 2012-12-19 | 江苏沃得机电集团有限公司 | Special gauge for detecting position error of multi-cylinder crankshaft |
| CN203344034U (en) * | 2013-06-28 | 2013-12-18 | 浙江博凡动力装备有限公司 | Specially manufactured scribing tool |
| CN203843834U (en) * | 2014-03-28 | 2014-09-24 | 常州市瑞泰工程机械有限公司 | Centering tooling for vertical machining center |
-
2019
- 2019-05-21 CN CN201910423671.1A patent/CN110026586A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553327A (en) * | 1983-04-15 | 1985-11-19 | Yosio Watanabe | Ruler device for use in marking-off |
| CN101161422A (en) * | 2006-10-09 | 2008-04-16 | 张啸东 | Crankshaft two end panel center hole locating marking-off table and center hole locating method |
| CN101513720A (en) * | 2009-03-27 | 2009-08-26 | 沈阳第一机床厂 | Integral structure of a turn-milling complex machining center |
| CN102829686A (en) * | 2012-08-15 | 2012-12-19 | 江苏沃得机电集团有限公司 | Special gauge for detecting position error of multi-cylinder crankshaft |
| CN203344034U (en) * | 2013-06-28 | 2013-12-18 | 浙江博凡动力装备有限公司 | Specially manufactured scribing tool |
| CN203843834U (en) * | 2014-03-28 | 2014-09-24 | 常州市瑞泰工程机械有限公司 | Centering tooling for vertical machining center |
Non-Patent Citations (1)
| Title |
|---|
| 潘向民: "《汽车维修电工维修工高级考证技能培训教材》", 31 August 2006, 广东科技出版社 * |
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Application publication date: 20190719 |
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